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Title:
THIN FILM AND ORGANIC ELECTROLUMINESCENT ELEMENT
Document Type and Number:
WIPO Patent Application WO/2017/119203
Kind Code:
A1
Abstract:
The objective of the invention is to provide a thin film having a long light-emitting life span, and an organic electroluminescence element. The above problem is solved by the thin film containing a light-emitting metallic complex and a host, the light-emitting metallic complex being represented by general formula (1) and satisfying formula (1), and the host being: a nonmetallic organic compound demonstrating phosphorescent light-emission at room temperature; a compound demonstrating heat activated-type delayed fluorescence; or a compound exhibiting an inverse intersystem crossing phenomenon between a singlet excitation state demonstrating a level higher than the lowest singlet excitation state, and a triplet excitation state demonstrating a level higher than the lowest triplet excitation state.

Inventors:
NAKAMURA Yuta (INC. 7-2, Marunouchi 2-chome, Chiyoda-k, Tokyo 15, 〒1007015, JP)
INOUE Satoru (INC. 7-2, Marunouchi 2-chome, Chiyoda-k, Tokyo 15, 〒1007015, JP)
NISHIZEKI Masato (INC. 7-2, Marunouchi 2-chome, Chiyoda-k, Tokyo 15, 〒1007015, JP)
Application Number:
JP2016/084664
Publication Date:
July 13, 2017
Filing Date:
November 22, 2016
Export Citation:
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Assignee:
KONICA MINOLTA, INC. (7-2 Marunouchi 2-chome, Chiyoda-ku Tokyo, 15, 〒1007015, JP)
International Classes:
H01L51/50; C07F15/00; C09K11/06
Domestic Patent References:
WO2009008357A12009-01-15
WO2016194865A12016-12-08
Foreign References:
JP2013060595A2013-04-04
JP2004273389A2004-09-30
JP2015017088A2015-01-29
JP2014096557A2014-05-22
JP2015065225A2015-04-09
JP2016225486A2016-12-28
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (Hulic Toranomon Building, 1-18 Toranomon 1-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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